UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for X1873... Searching the city database file for: X1873 ... Date:1200Z 24 APR 25 Station: X1873 WMO ident: 31873 Latitude: 45.87 Longitude: 133.73 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 41 45 1 SFC 993 98 5.6 3.1 84 2.5 4.4 45 1 279.3 280.1 277.9 292.5 4.81 2 981 198 5.8 3.2 83 2.6 4.6 18 2 280.5 281.3 278.6 294.0 4.91 3 925 676 2.0 -0.4 84 2.4 1.0 245 5 281.4 282.0 277.9 292.6 4.01 4 892 968 0.0 -2.3 84 2.3 -1.0 260 8 282.2 282.8 277.9 292.4 3.62 5 850 1353 -1.9 -4.0 86 2.1 -2.7 280 13 284.2 284.7 278.4 293.7 3.34 6 707 2790 -12.3 -14.8 82 2.5 -13.0 252 13 288.0 288.3 278.2 293.2 1.71 7 700 2866 -13.5 -15.9 82 2.4 -14.1 250 13 287.5 287.8 277.8 292.3 1.58 8 692 2953 -14.5 -17.7 77 3.2 -15.3 248 13 287.4 287.6 277.4 291.5 1.37 9 657 3345 -16.9 -27.9 38 11.0 -18.8 239 16 289.0 289.1 277.0 290.8 0.59 10 548 4681 -26.3 -40.3 26 14.0 -27.6 206 23 293.2 293.2 278.6 293.9 0.21 11 500 5340 -29.5 -43.5 25 14.0 -30.6 190 27 297.1 297.1 280.3 297.6 0.16 12 467 5825 -31.5 -44.5 27 13.0 -32.5 188 35 300.4 300.5 281.7 301.0 0.16 13 400 6900 -40.5 -49.5 37 9.0 -40.9 185 52 302.4 302.4 282.5 302.7 0.10 14 361 7590 -46.3 -54.3 40 8.0 -46.6 185 51 303.6 303.6 282.9 303.8 0.07 15 317 8447 -49.7 -57.7 39 8.0 -49.9 185 50 310.4 310.4 285.5 310.6 0.05 16 316 8468 -49.7 -57.7 39 8.0 -49.9 186 50 310.6 310.7 285.6 310.8 0.05 17 300 8810 -47.3 -56.3 35 9.0 -47.6 195 50 318.7 318.7 288.4 318.9 0.06 18 294 8944 -46.3 -55.3 35 9.0 -46.6 197 49 322.0 322.0 289.5 322.2 0.07 19 250 10020 -45.9 -56.9 28 11.0 -46.3 210 40 337.8 337.8 293.9 338.1 0.07 20 210 11177 -46.1 -59.1 22 13.0 -46.7 222 42 354.8 354.8 297.7 355.1 0.06 21 200 11500 -46.9 -59.9 21 13.0 -47.4 225 42 358.5 358.5 298.5 358.8 0.06 22 169 12607 -49.9 -63.9 18 14.0 -50.4 228 46 371.2 371.2 300.8 371.4 0.04 23 150 13390 -47.7 -62.7 16 15.0 -48.4 230 48 387.9 387.9 303.5 388.1 0.06 24 143 13707 -46.5 -62.5 15 16.0 -47.3 236 43 395.3 395.3 304.6 395.6 0.06 25 117 15023 -52.9 -67.9 15 15.0 -53.4 261 24 406.8 406.8 306.1 407.0 0.04 26 108 15542 -50.9 -66.9 13 16.0 -51.6 271 16 420.0 420.0 307.7 420.3 0.04 27 100 16040 -54.3 -69.3 14 15.0 -54.8 280 9 422.8 422.8 308.0 423.0 0.03 28 99 16104 -54.5 -69.5 14 15.0 -55.0 280 9 423.6 423.6 308.2 423.8 0.03 29 96 16301 -54.9 -69.9 14 15.0 -55.4 280 10 426.6 426.6 308.5 426.8 0.03 30 81 17389 -54.3 -69.3 14 15.0 -54.9 280 13 449.1 449.1 310.8 449.3 0.04 31 78 17633 -51.9 -67.9 13 16.0 -52.7 280 13 458.9 458.9 311.7 459.2 0.05 32 70 18330 -54.5 -69.5 14 15.0 -55.2 280 15 467.8 467.8 312.5 468.1 0.05 33 66 18705 -56.3 -71.3 14 15.0 -56.9 271 14 471.8 471.8 312.8 472.0 0.04 34 52 20220 -56.1 -71.1 14 15.0 -56.9 236 8 505.6 505.6 315.4 505.9 0.05 35 50 20470 -54.5 -69.5 14 15.0 -55.4 230 7 515.0 515.1 316.0 515.5 0.07 36 43 21437 -52.3 -68.3 13 16.0 -53.7 231 7 543.2 543.2 317.8 543.8 0.09 37 30 23750 -53.9 -68.9 14 15.0 -55.4 235 7 597.7 597.7 320.5 598.6 0.12 38 23 25455 -54.3 -69.3 14 15.0 -56.1 643.7 643.8 322.5 644.9 0.15 TRP 317 8447 -49.7 -57.7 39 8.0 -49.9 185 50 310.4 310.4 285.5 310.6 0.05 WND Sounding variables and indices 1000-500 mb thick: 5299.00 m Freezing level: 892.00 mb = 968.04 m = 3175.96 ft Wetbulb zero: 908.66 mb = 819.26 m = 2687.82 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 60.11 % Est. max temperature: 10.62 C = 51.11 F Sfc-Lift cond lev (LCL): 955.53 mb = 411.95 m = 1351.52 ft T: 4.10 C 700-500 lapse rate: 6.47 C/km ThetaE index: 2.86 C Layer 707.0- 548.0 mb Conv cond level (CCL): 892.26 mb = 965.72 m = 3168.34 ft Mean mixing ratio: 4.29 g/kg Conv temperature: 8.50 C = 47.30 F Cap Strength: 1.95 C Lifted Index: 4.46 C Risk: None Lifted Index @300 mb: 18.25 C Lifted Index @700 mb: 0.13 C Showalter Index: 4.00 C Risk: None Total Totals Index: 53.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.60 C Cross Totals Index: 25.50 C K Index: 21.20 Risk: 20-40 % chance of thunderstorms Sweat Index: 135.00 Risk: None Energy Index: 0.77 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.28 J/kg Max Up Vert Vel: 3.82 m/s Conv Inhibition (B-): 68.13 J/kg Cap Strength: 4.05 C Lift Cond Lev (LCL): 907.53 mb = 829.25 m = 2720.59 ft Lev Free Conv (LFC): 692.53 mb = 2947.40 m = 9669.83 ft Equ Level (EL): 672.53 mb = 3168.44 m = 10395.03 ft B at Equ Level: 6.74 J/kg Max Parcel Lev (MPL): 632.53 mb = 3624.33 m = 11890.70 ft Wind level data Storm motion: 247 at 13 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 993 98 45 1 -0.7 -0.7 | 65 14 -12.6 -5.8 1 925 676 245 5 4.5 2.1 | 68 8 -7.4 -2.9 2 850 1353 280 13 12.8 -2.3 | 353 7 0.9 -7.3 3 700 2866 250 13 12.2 4.4 | 334 1 0.3 -0.6 4 500 5340 190 27 4.7 26.6 | 161 23 -7.2 21.5 5 400 6900 185 52 4.5 51.8 | 171 47 -7.4 46.7 6 317 8447 185 50 4.4 49.8 | 170 45 -7.6 44.7 7 300 8810 195 50 12.9 48.3 | 181 43 1.0 43.2 8 250 10020 210 40 20.0 34.6 | 195 31 8.1 29.6 9 200 11500 225 42 29.7 29.7 | 216 30 17.8 24.6 10 150 13390 230 48 36.8 30.9 | 224 36 24.9 25.8 11 100 16040 280 9 8.9 -1.6 | 25 7 -3.1 -6.6 12 70 18330 280 15 14.8 -2.6 | 340 8 2.9 -7.7 13 50 20470 230 7 5.4 4.5 | 85 7 -6.6 -0.6 14 30 23750 235 7 5.7 4.0 | 80 6 -6.2 -1.0 Wind Parameters Mean winds (0-6000m): 217.0 at 17.3 knts Storm direction: 247.0 at 12.9 knts Shear (0-3000m) pos: 1.5 neg: 1.7 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 155.7 deg Storm rel helicity (0-3000m) pos: 5.5 neg: -23.8 tot: -18.3 m^2/s^2 ave: -6.1 10^-3 m/s^2 rel: -0.40 Storm rel vorticity (0-3000m) horiz: 4.7 stream: -1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.25 Bulk Shear: 29.69 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 247 3 67 10| 0.0 5.4 5.4| 2.3 -11.2 -8.9 -17.9 -0.30| 7.7 -2.3 1000 257 5 61 8| 2.8 2.7 5.5| 5.5 -17.4 -11.9 -11.9 -0.34| 7.6 -2.6 1500 270 7 42 7| 3.0 1.8 4.8| 5.5 -22.5 -17.0 -11.4 -0.42| 6.7 -2.9 2000 270 9 32 6| 2.2 1.6 3.8| 5.5 -23.2 -17.7 -8.8 -0.40| 5.6 -2.3 2500 267 10 26 5| 1.8 1.5 3.3| 5.5 -23.4 -17.9 -7.2 -0.38| 5.0 -1.9 3000 264 10 23 4| 1.5 1.7 3.2| 5.5 -23.8 -18.3 -6.1 -0.40| 4.7 -1.8 4000 251 12 25 1| 1.1 2.3 3.4| 5.5 -28.3 -22.8 -5.7 -0.37| 4.7 -1.8 5000 233 14 172 4| 0.9 2.8 3.6| 5.5 -49.3 -43.8 -8.8 -0.39| 4.9 -1.9 6000 217 17 170 9| 0.7 3.5 4.3| 29.1 -57.1 -28.0 -4.7 -0.27| 5.4 -1.5 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20250424.12.gif